The endocrine and metabolic characteristics of a large Bardet-Biedl syndrome clinic population by Mujahid, S, Hunt, KF, Cheah, YS, Forsythe, E, Hazlehurst, JM, Sparks, K, Mohammed, S, Tomlinson, JW, Amiel, SA, Carroll, PV, Beales, PL, Huda, MSB, McGowan, BM